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AUSCERT External Security Bulletin Redistribution
Security Bulletin: TLS padding vulnerability affects IBM
Security Network Protection (CVE-2014-8730)
6 January 2015
AusCERT Security Bulletin Summary
Product: IBM Security Network Protection
Operating System: Network Appliance
Impact/Access: Access Privileged Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
CVE Names: CVE-2014-8730
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Security Bulletin: TLS padding vulnerability affects IBM Security Network
More support for:
IBM Security Network Protection
5.1, 5.1.1, 5.1.2, 188.8.131.52, 5.2.0, 5.3
Transport Layer Security (TLS) padding vulnerability via a POODLE (Padding
Oracle On Downgraded Legacy Encryption) like attack affects IBM Security
DESCRIPTION: Product could allow a remote attacker to obtain sensitive
information, caused by the failure to check the contents of the padding bytes
when using CBC cipher suites of some TLS implementations. A remote user
with the ability to conduct a man-in-the-middle attack could exploit this
vulnerability via a POODLE (Padding Oracle On Downgraded Legacy Encryption)
like attack to decrypt sensitive information and calculate the plaintext
of secure connections.
CVSS Base Score: 4.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99216 for the
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Affected Products and Versions
Products: IBM Security Network Protection (XGS) models 3100, 4100, 5100, 7100
Versions: 5.1, 5.1.1, 5.1.2, 5.2, 5.3
IBM has provided fixes for all supported versions. Follow the installation
instructions in the README files included with the fix. You should verify
applying this fix does not cause any compatibility issues.
184.108.40.206-ISS-XGS-All-Models-Hotfix-FP0006 for IBM Security Network Protection
products at version 5.2
Firmware Update 220.127.116.11 for IBM Security Network Protection products at
For the 5.1.x versions of Network Protection, IBM recommends upgrading to
a fixed, supported version/release/platform of the product.
Workarounds and Mitigations
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IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact
of this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency
and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT
WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING
THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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